<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>文本样式</title>
	<style type="text/css">
		.one{text-decoration: underline overline none;}
		.two{color:red;text-decoration: overline;}
		.three{text-decoration:line-through;}
		.four{text-decoration: blink;}
		.five{text-decoration: none;}
		a{text-decoration: none;}
		span{color:blue;text-decoration: underline;}
	</style>
</head>
<body>
	<a href="#">CSS层叠样式表</a>
	<p class="one">CSS层叠样式表（Cascading Style Sheets）</p>
	<p class="two">CSS层叠样式表<span>（Cascading Style Sheets）</span></p>
	<p class="three">CSS层叠样式表（Cascading Style Sheets）</p>
	<p class="four">CSS层叠样式表（Cascading Style Sheets）</p>
	<p class="five">CSS层叠样式表（Cascading Style Sheets）</p>
</body>
</html>